{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "mm-sheng-404-directory",
  "component": "404",
  "generated_at": "2026-09-27T03:35:02.674Z",
  "tracking_since": "2026-08-16",
  "counts": {
    "critical": 0,
    "security": 30,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0bc90-11e5-7449-bc64-a0c5b7f667a8",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 02:05:53.446006+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0bc90-11e5-7449-bc64-a0c5b7f667a8"
    },
    {
      "id": "chg_01a0bc90-11e7-7534-be18-65baa25588fb",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 02:05:53.446006+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0bc90-11e7-7534-be18-65baa25588fb"
    },
    {
      "id": "chg_01a0bc90-11e8-789a-a486-5774cf4c967e",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 02:05:53.446006+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0bc90-11e8-789a-a486-5774cf4c967e"
    },
    {
      "id": "chg_01a0bc90-11e6-76dd-baf1-6edb1da592e7",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "500",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 02:05:53.446006+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0bc90-11e6-76dd-baf1-6edb1da592e7"
    },
    {
      "id": "chg_01a0bc90-11e7-7067-ada3-c74f42d4f5b3",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 02:05:53.446006+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0bc90-11e7-7067-ada3-c74f42d4f5b3"
    },
    {
      "id": "chg_01a0a2d1-5f0a-7366-a02f-a748dcb59bf5",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 02:07:05.39742+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0a2d1-5f0a-7366-a02f-a748dcb59bf5"
    },
    {
      "id": "chg_01a08912-88a0-7b30-8e34-2fedcb734e9f",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 02:08:08.282891+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a08912-88a0-7b30-8e34-2fedcb734e9f"
    },
    {
      "id": "chg_01a08912-88a1-7af3-b554-1480e9ed162f",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 02:08:08.282891+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a08912-88a1-7af3-b554-1480e9ed162f"
    },
    {
      "id": "chg_01a083ed-59d4-74ea-9a0b-1a3734a064a2",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 02:09:25.383448+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a083ed-59d4-74ea-9a0b-1a3734a064a2"
    },
    {
      "id": "chg_01a083ed-59d4-7db3-b652-16a640b75b9f",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 02:09:25.383448+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a083ed-59d4-7db3-b652-16a640b75b9f"
    },
    {
      "id": "chg_01a083ed-59d8-7270-bbea-ae22a581aa2c",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 02:09:25.383448+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a083ed-59d8-7270-bbea-ae22a581aa2c"
    },
    {
      "id": "chg_01a083ed-59d2-77a5-83a6-f04bfb868c16",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.77",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 02:09:25.383448+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.77 → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a083ed-59d2-77a5-83a6-f04bfb868c16"
    },
    {
      "id": "chg_01a0461f-72b1-7ea6-a15e-4750a70a344a",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 02:07:41.099583+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0461f-72b1-7ea6-a15e-4750a70a344a"
    },
    {
      "id": "chg_01a0461f-72b1-7972-b82e-4d465111e65b",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.unreachable",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 02:07:41.099583+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0461f-72b1-7972-b82e-4d465111e65b"
    },
    {
      "id": "chg_01a0461f-72b0-7951-93ba-1cf4ed7703d8",
      "kind": "check.reverified",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.inconclusive",
      "to_code": "headers.hsts_absent",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 02:07:41.099583+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "HSTS header (unverified → fail)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0461f-72b0-7951-93ba-1cf4ed7703d8"
    },
    {
      "id": "chg_01a0461f-72b2-751b-a16a-5cf7f7afa34e",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 02:07:41.099583+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0461f-72b2-751b-a16a-5cf7f7afa34e"
    },
    {
      "id": "chg_01a0461f-72b3-7677-97b4-920d207e0c60",
      "kind": "check.reverified",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.unreachable",
      "to_code": "tls.valid",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 02:07:41.099583+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "TLS certificate (unverified → pass)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a0461f-72b3-7677-97b4-920d207e0c60"
    },
    {
      "id": "chg_01a042b0-b4ca-768c-b158-441cbc31ffd1",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "unreachable",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "unreachable",
        "from": "verified"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 10:07:51.956628+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a042b0-b4ca-768c-b158-441cbc31ffd1"
    },
    {
      "id": "chg_01a042b0-b4c8-7039-9aea-9de4495721be",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.unreachable",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 10:07:51.956628+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a042b0-b4c8-7039-9aea-9de4495721be"
    },
    {
      "id": "chg_01a042b0-b4c7-7674-b43e-7af109823f0b",
      "kind": "check.unverifiable",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.valid",
      "to_code": "tls.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 10:07:51.956628+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "TLS certificate (pass → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a042b0-b4c7-7674-b43e-7af109823f0b"
    },
    {
      "id": "chg_01a042b0-b4c6-7360-b451-27098a924242",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 10:07:51.956628+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a042b0-b4c6-7360-b451-27098a924242"
    },
    {
      "id": "chg_01a042b0-b4c5-794a-8783-4916304fd094",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.33",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 10:07:51.956628+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Stability (0.33 → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a042b0-b4c5-794a-8783-4916304fd094"
    },
    {
      "id": "chg_01a042b0-b4c5-7024-9313-493091a2eb96",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.unreachable",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 10:07:51.956628+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a042b0-b4c5-7024-9313-493091a2eb96"
    },
    {
      "id": "chg_01a042b0-b4c3-79cf-8f92-10e575c37355",
      "kind": "check.unverifiable",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 10:07:51.956628+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "HSTS header (fail → unverified)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a042b0-b4c3-79cf-8f92-10e575c37355"
    },
    {
      "id": "chg_01a041d4-fa88-7976-8a64-29483e15f08b",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 06:07:51.863231+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a041d4-fa88-7976-8a64-29483e15f08b"
    },
    {
      "id": "chg_01a02544-2435-797b-bb99-e8e31be57576",
      "kind": "check.verdict",
      "family": "dnssec",
      "subject_kind": "check",
      "subject": "dnssec",
      "subject_child": "",
      "from_code": "dnssec.validated",
      "to_code": "dnssec.bogus",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 17:00:17.636736+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "DNSSEC (pass → fail)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a02544-2435-797b-bb99-e8e31be57576"
    },
    {
      "id": "chg_01a02544-2436-78f1-a871-65bae0ebc5ba",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 17:00:17.636736+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a02544-2436-78f1-a871-65bae0ebc5ba"
    },
    {
      "id": "chg_01a02544-243c-74e8-9e8a-66d2fdb3e7cd",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 17:00:17.636736+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a02544-243c-74e8-9e8a-66d2fdb3e7cd"
    },
    {
      "id": "chg_01a00fce-ed46-716e-82a3-1c65b66d82bf",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 13:00:14.436171+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a00fce-ed46-716e-82a3-1c65b66d82bf"
    },
    {
      "id": "chg_01a00fce-ed45-72d1-91f7-16df583f6f0a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_web",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_web"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 13:00:14.436171+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “verify_web” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/mm-sheng-404-directory/404#chg-chg_01a00fce-ed45-72d1-91f7-16df583f6f0a"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 24,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-20",
      "total": 24,
      "delta": -62,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-15",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-13",
      "total": 85,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-12",
      "total": 82,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-11",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 83,
        "to": 87,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 25,
          "to_days": 26
        },
        "partial": false,
        "compared_to": "2026-09-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 83 to 87. That category is still filling its 30-day observation window: 25 days of observed history at the previous scan, 26 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 83,
      "delta": 49,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-09",
      "total": 34,
      "delta": -49,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    }
  ]
}